A molded surface fastener comprises: a substrate sheet; and a multiplicity of engaging elements standing on one surface of the substrate sheet, each of the engaging elements being composed of a stem rising from the one surface of the substrate sheet, and an engaging head projecting from an upper...http://www.google.de/patents/US5792408?utm_source=gb-gplus-sharePatent US5792408 - Molded surface fastener, and method and apparatus for manufacturing the same 
